const Koa = require("koa");
const app = new Koa();
const views = require("koa-views");
const json = require("koa-json");
const onerror = require("koa-onerror");
const bodyparser = require("koa-bodyparser");
const logger = require("koa-logger");
let ip = require("ip");

const index = require("./routes/index");
const signIn = require("./routes/signIn");

// app.use(async (ctx, next)=> {
//   ctx.set('Access-Control-Allow-Origin', '*');
//   ctx.set('Access-Control-Allow-Headers', 'Content-Type, Content-Length, Authorization, Accept, X-Requested-With , yourHeaderFeild');
//   ctx.set('Access-Control-Allow-Methods', 'PUT, POST, GET, DELETE, OPTIONS');
//   if (ctx.method == 'OPTIONS') {
//     ctx.body = 200; 
//   } else {
//     await next();
//   }
// });

// error handler
onerror(app);

// middlewares
app.use(
  bodyparser({
    enableTypes: ["json", "form", "text"],
  })
);
app.use(json());
app.use(logger());
app.use(require("koa-static")(__dirname + "/public"));

app.use(
  views(__dirname + "/views", {
    extension: "pug",
  })
);

// logger
app.use(async (ctx, next) => {
  const start = new Date();
  await next();
  const ms = new Date() - start;
  console.log(`${ctx.method} ${ctx.url} - ${ms}ms`);
});

// routes
app.use(index.routes(), index.allowedMethods());
app.use(signIn.routes(), signIn.allowedMethods());

// error-handling
app.on("error", (err, ctx) => {
  console.error("server error", err, ctx);
});

// listen
const port = (process.env.PORT = 8003);
console.log("-------------------------------------------");
console.log("listen:", `http://localhost:${port}`);
console.log("listen:", `http://${ip.address()}:${port}`);
console.log("-------------------------------------------");

module.exports = app;
